21591567387

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61514437}}^1$

素因数の和:61514459

約数の個数: 16

約数和(自身を含む): 34448085280

約数和(自身を除く): 12856517893

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61514437, 184543311, 553629933, 799687681, 1660889799, 2399063043, 7197189129, 21591567387]

約数ペア:

[(1, 21591567387), (3, 7197189129), (9, 2399063043), (13, 1660889799), (27, 799687681), (39, 553629933), (117, 184543311), (351, 61514437)]